Question

Empirical rule the authors generac generator produces voltage amounts with a mean of 125.0 volts and a standard deviation of 0.3 volt,and the voltage have a bell-shape distribution.using the empirical rule,what is the approximate percentage of voltage amounts between 124.4 volts and 125.6 volts?

Answers

bobpursley
You are within two standard deviations. What is the rule?

http://davidmlane.com/hyperstat/z_table.html
Empirical Rule

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